Barro and King (1984) conjecture that shocks other than those to total factor productivity will have difficulty generating key business cycle comovements between output, consumption, investment and hours worked. Recent years have seen the emergence of a class of DSGE models in which aggregate...

Indeterminacy in new Keynesian models with Calvo-contracts can occur even at low trend inflation levels of 2 or 3%. The interaction of trend inflation with nominal wage rigidity and trend growth in output causes large distortions in the steady state and expands the indeterminacy region....